20665545

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47507}}^1$

素因数の和:47544

約数の個数: 16

約数和(自身を含む): 34205760

約数和(自身を除く): 13540215

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 47507, 142521, 237535, 712605, 1377703, 4133109, 6888515, 20665545]

約数ペア:

[(1, 20665545), (3, 6888515), (5, 4133109), (15, 1377703), (29, 712605), (87, 237535), (145, 142521), (435, 47507)]